City comparison

Boulder, CO vs San Antonio, TX

What a paycheck is really worth in each city: prices, rent, state taxes and federal GS pay.

Key findings

  • Prices in Boulder, CO are 11.1% higher than in San Antonio, TX. Someone earning $100,000 in San Antonio, TX would need about $111,100 in Boulder, CO to live the same way.
  • Rent is the bigger story: a typical 1-bedroom costs $1,795 a month in Boulder, CO versus $1,177 in San Antonio, TX. On $100,000, that's 29% of take-home pay in Boulder, CO and 18% in San Antonio, TX.
  • On $100,000, estimated state income tax is about $3,692 a year higher in Boulder, CO than in San Antonio, TX.
  • For federal employees, locality pay changes a GS-13 step 1 salary by −9.0% moving from Boulder, CO to San Antonio, TX ($118,675 → $108,001), while prices change by −10.0%. Net effect of the transfer: +1.1% in real buying power.
BoulderSan Antonio
Price level (U.S. = 100):Under 9292–9898–102102–108Over 108
  • Boulder, CO: price level 105.2 (pricier)
  • San Antonio, TX: price level 94.7 (cheaper)

Map drawn from Census Bureau state boundaries and metro locations9,10; dot colours show BEA price levels2.

Side by side

Boulder, COSan Antonio, TX
Price level (U.S. = 100)2105.294.7
$100,000 is worth, in the other city2$90,033 in San Antonio$111,071 in Boulder
Typical 1-bedroom rent3$1,795/mo$1,177/mo
Take-home on $100,00014,15,8$75,488$79,180
State income tax on $100,000 (estimate)8$3,692 (CO)$0 (TX)
Rent burden on $100,00029%18%
Median pay, all jobs4$69,580$47,010
Federal locality pay area7Denver-Aurora, COSan Antonio-New Braunfels-Pearsall, TX

Rent areas: Boulder, CO MSA and San Antonio-New Braunfels, TX HUD Metro FMR Area. Metro areas: Boulder, CO and San Antonio-New Braunfels, TX.

What costs more or less

Boulder, COSan Antonio, TX
Price level (U.S. = 100)BoulderSan Antonio
Housing (rent)157.094.6
Goods96.193.8
Utilities82.782.2
Other services99.896.2
Overall105.294.7
BEA Regional Price Parities2. Housing covers rents.

Moving with the same $100,000 salary

Boulder, CO → San Antonio, TX

Same pay goes further

Buying power +11.1%; rent takes 18% of take-home; state tax −$3,692/yr.

100 Strong offer

San Antonio, TX → Boulder, CO

Same pay buys less

Buying power −10.0%; rent takes 29% of take-home; state tax +$3,692/yr.

32 Weak offer

Federal employees: GS pay

Boulder, CO is in the Denver-Aurora, CO pay area; San Antonio, TX is in San Antonio-New Braunfels-Pearsall, TX. The last column shows what a transfer from Boulder, CO to San Antonio, TX at the same grade and step does to real buying power.

Grade5,2Boulder, COSan Antonio, TXReal change, Boulder → San Antonio
GS-9 step 1$68,819$62,629+1.1%
GS-11 step 1$83,265$75,776+1.1%
GS-12 step 1$99,800$90,823+1.1%
GS-13 step 1$118,675$108,001+1.1%
GS-14 step 1$140,239$127,624+1.1%

Pay for common jobs

Median annual pay4Boulder, COSan Antonio, TXSan Antonio pay in Boulder dollars
Information Security Analysts$154,990$122,560$136,129 (−12.2%)
Software Developers$164,560$128,430$142,648 (−13.3%)
Accountants and Auditors$99,990$78,650$87,357 (−12.6%)
Registered Nurses$103,290$94,370$104,818 (+1.5%)

"Not published" means BLS doesn't release an estimate for that job in that metro.

Check your own offer

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Taxes are estimates for a single filer taking the standard deduction; city and county income taxes are not included. See the methodology.

Notes & Sources

  1. U.S. Census Bureau, Metropolitan Statistical Area population estimates (Vintage 2025) (2025). Retrieved 2026-09-29.
  2. U.S. Bureau of Economic Analysis, Regional Price Parities by MSA (MARPP), all items (2024). Retrieved 2026-09-29.
  3. U.S. Department of Housing and Urban Development, Fair Market Rents, 1-bedroom (2026). Retrieved 2026-09-29.
  4. U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS), May 2025, metropolitan areas (2025). Retrieved 2026-09-29.
  5. U.S. Office of Personnel Management, General Schedule (GS) pay rates with locality pay, 2026 (2026). Retrieved 2026-09-29.
  6. U.S. Office of Personnel Management, Locality codes used in the 2026 GS pay spreadsheet (2026). Retrieved 2026-09-29.
  7. U.S. Office of Personnel Management, 2026 Locality Pay Area Definitions (counties in each pay area) (2026). Retrieved 2026-09-29.
  8. Tax Foundation, State Individual Income Tax Rates and Brackets, 2026 (2026). Retrieved 2026-09-29.
  9. U.S. Census Bureau, Cartographic boundary file: states, 1:20,000,000 (2024) (2024). Retrieved 2026-09-29.
  10. U.S. Census Bureau, Gazetteer file: core based statistical areas (2025) (2025). Retrieved 2026-09-29.
  11. U.S. Census Bureau, American Community Survey 5-year estimates, 2020-2024, table C24010 (occupation of employed residents) by ZIP code area (2024). Retrieved 2026-09-29.
  12. U.S. Census Bureau, ZIP Code Tabulation Area relationship files (2020; Connecticut 2022) and Gazetteer locations (2025) (2025). Retrieved 2026-09-29.
  13. U.S. Census Bureau, Cartographic boundary files (ZIP code areas 2020; counties and states 2024) and TIGER/Line primary roads (2024) (2024). Retrieved 2026-09-29.
  14. Internal Revenue Service, Rev. Proc. 2025-32 (2026 tax brackets and standard deduction) (2026). Retrieved 2026-09-29.
  15. Internal Revenue Service, Publication 15 (Circular E), Employer's Tax Guide for 2026 (Social Security and Medicare) (2026). Retrieved 2026-09-29.